Somatic mutation in individual liver cysts supports a two-hit model of cystogenesis in autosomal dominat polycystic kidney disease - Watnick, Terry J.; Torres, Vicente E.; Gandolph, Michael A.; Qian, Feng; Onuchic, Luiz Fernando; Klinger, Katherine W.; Landes, Gregory; Germino, Gregory G. (Molecular Cell, 1998)